diff --git a/async.zsh b/async.zsh
index d9fc38b..2b5dec5 100644
--- a/async.zsh
+++ b/async.zsh
@@ -248,7 +248,7 @@ async_process_results() {
 			else
 				# In case of corrupt data, invoke callback with *async* as job
 				# name, non-zero exit status and an error message on stderr.
-				$callback "async" 1 "" 0 "$0:$LINENO: error: bad format, got ${#items} items (${(@q)items})" $has_next
+				$callback "async" 1 "" 0 "$0:$LINENO: error: bad format, got ${#items} items (${(q)items})" $has_next
 			fi
 
 			(( num_processed++ ))